package com.yhny.lykj.yuhannongye.tools;

import java.text.ParseException;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;
import java.util.Random;
import java.util.TimeZone;

/**
 * 时间工具类
 * Created by lc on 2016/4/2.
 */
public class LCSysTimeUtils {

    /**
     * 获取现在时间
     *
     * @return 返回时间类型 yyyy-MM-dd HH:mm:ss
     */
    public static Date getNowDate() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(currentTime);
        ParsePosition pos = new ParsePosition(8);
        Date currentTime_2 = formatter.parse(dateString, pos);
        return currentTime_2;
    }

    /**
     * 获取现在时间
     *
     * @return返回短时间格式 yyyy-MM-dd
     */
    public static Date getNowDateShort() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        String dateString = formatter.format(currentTime);
        ParsePosition pos = new ParsePosition(8);
        Date currentTime_2 = formatter.parse(dateString, pos);
        return currentTime_2;
    }

    /**
     * 获取现在时间
     *
     * @return返回字符串格式 yyyy-MM-dd HH:mm:ss
     */
    public static String getStringDate() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(currentTime);
        return dateString;
    }
    public static String getStringymd() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        String dateString = formatter.format(currentTime);
        return dateString;
    }

    /**
     * 获取时间 小时:分;秒 HH:mm:ss
     *
     * @return
     */
    public static String getTimeShort() {
        SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss");
        Date currentTime = new Date();
        String dateString = formatter.format(currentTime);
        return dateString;
    }

    /**
     * 将长时间格式字符串转换为时间 yyyy-MM-dd HH:mm:ss
     *
     * @param strDate
     * @return
     */
    public static Date strToDateLong(String strDate) {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        ParsePosition pos = new ParsePosition(0);
        Date strtodate = formatter.parse(strDate, pos);
        return strtodate;
    }

    /**  * 将长时间格式时间转换为字符串 yyyy-MM-dd HH:mm:ss  *   * @param dateDate  * @return  */
    public static String dateToStrLong(Date dateDate) {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(dateDate);
        return dateString;
    }

    /**
     * 将短时间格式时间转换为字符串 yyyy-MM-dd
     *
     * @param dateDate
     * @return
     */
    public static String dateToStr(Date dateDate) {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        String dateString = formatter.format(dateDate);
        return dateString;
    }

    /**
     * 将短时间格式字符串转换为时间 yyyy-MM-dd
     *
     * @param strDate
     * @return
     */
    public static Date strToDate(String strDate) {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        ParsePosition pos = new ParsePosition(0);
        Date strtodate = formatter.parse(strDate, pos);
        return strtodate;
    }

    /**
     * 得到现在时间
     *
     * @return
     */
    public static Date getNow() {
        Date currentTime = new Date();
        return currentTime;
    }
    /**
     * 获取某月的最后一天
     * @Title:getLastDayOfMonth
     * @Description:
     * @param:@param year
     * @param:@param month
     * @param:@return
     * @return:String
     * @throws
     */
    public static long getLastDayOfMonth(int year,int month)
    {

        Calendar cal = Calendar.getInstance();
        //设置年份
        cal.set(Calendar.YEAR,year);
        //设置月份
        cal.set(Calendar.MONTH, month);
        cal.set(Calendar.DAY_OF_MONTH, 1);
        cal.set(Calendar.HOUR_OF_DAY,23);
        cal.set(Calendar.MINUTE,59);
        cal.set(Calendar.SECOND,59);
        //获取某月最大天数
        int lastDay = cal.getActualMaximum(Calendar.DAY_OF_MONTH);
        //设置日历中月份的最大天数
        cal.set(Calendar.DAY_OF_MONTH, lastDay);
        //格式化日期
//        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
//        String lastDayOfMonth = sdf.format(cal.getTime());
        return cal.getTime().getTime();

    }
    /**
     * 获取某月的第一天
     * @Title:getLastDayOfMonth
     * @Description:
     * @param:@param year
     * @param:@param month
     * @param:@return
     * @return:String
     * @throws
     */
    public static long getFirstDayOfMonth(int year,int month)
    {
        Calendar cal = Calendar.getInstance();
        //设置年份
        cal.set(Calendar.YEAR,year);
        //设置月份
        cal.set(Calendar.MONTH, month);
        //设置日历中月份的第1天
        cal.set(Calendar.DAY_OF_MONTH, 1);
        cal.set(Calendar.HOUR,24);
        cal.set(Calendar.MINUTE,0);
        cal.set(Calendar.SECOND,0);
        //格式化日期
//        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
//        String firstDayOfMonth = sdf.format(cal.getTime());

        return cal.getTime().getTime() ;
    }
    /**
     * 获取指定日期时间戳
     * @param str 20170606
     * @return
     */
    public static long getTime(String str){
        SimpleDateFormat format =  new SimpleDateFormat("yyyy-M-d");
        Date date = new Date();
        try {
            date = format.parse(str);
            LCLog.e("str = "+str);
            LCLog.e("time = "+date.getTime());
            return date.getTime();
        } catch (ParseException e) {
            e.printStackTrace();
        }

        return date.getTime();

    }

    /**
     * 提取一个月中的最后一天
     *
     * @param day
     * @return
     */
    public static Date getLastDate(long day) {
        Date date = new Date();
        long date_3_hm = date.getTime() - 3600000 * 34 * day;
        Date date_3_hm_date = new Date(date_3_hm);
        return date_3_hm_date;
    }

    /**
     * 得到现在时间
     *
     * @return 字符串 yyyyMMdd HHmmss
     */
    public static String getStringToday() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("HH:mm");
        String dateString = formatter.format(currentTime);
        return dateString;
    }

    /**
     * 得到现在小时
     */
    public static String getHour() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(currentTime);
        String hour;
        hour = dateString.substring(11, 13);
        return hour;
    }

    /**
     * 得到现在分钟
     *
     * @return
     */
    public static String getTime() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(currentTime);
        String min;
        min = dateString.substring(14, 16);
        return min;
    }

    /**
     * 根据用户传入的时间表示格式，返回当前时间的格式 如果是yyyyMMdd，注意字母y不能大写。
     *
     * @param sformat
     *            yyyyMMddhhmmss
     * @return
     */
    public static String getUserDate(String sformat) {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat(sformat);
        String dateString = formatter.format(currentTime);
        return dateString;
    }

    /**
     * 二个小时时间间的差值,必须保证二个时间都是"HH:MM"的格式，返回字符型的分钟
     */
    public static String getTwoHour(String st1, String st2) {
        String[] kk = null;
        String[] jj = null;
        kk = st1.split(":");
        jj = st2.split(":");
        if (Integer.parseInt(kk[0]) < Integer.parseInt(jj[0]))
            return "0";
        else {
            double y = Double.parseDouble(kk[0]) + Double.parseDouble(kk[1]) / 60;
            double u = Double.parseDouble(jj[0]) + Double.parseDouble(jj[1]) / 60;
            if ((y - u) > 0)
                return y - u + "";
            else
                return "0";
        }
    }

    /**
     * 得到二个日期间的间隔天数
     */
    public static long getTwoDay(String sj1, String sj2) {
        SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
        long day = 0;
        try {
            Date date = myFormatter.parse(sj1);
            Date mydate = myFormatter.parse(sj2);
            day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);
        } catch (Exception e) {
            return 0;
        }
        return day;
    }

    /**
     * 时间前推或后推分钟,其中JJ表示分钟.
     */
    public static String getPreTime(String sj1, String jj) {
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String mydate1 = "";
        try {
            Date date1 = format.parse(sj1);
            long Time = (date1.getTime() / 1000) + Integer.parseInt(jj) * 60;
            date1.setTime(Time * 1000);
            mydate1 = format.format(date1);
        } catch (Exception e) {
        }
        return mydate1;
    }

    /**
     * 时间戳转换为时间
     * @param time
     * @return
     */
    public static String stringtoDATA(long time){
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日");
        String date = sdf.format(new Date(time*1000));
        return date;
    }

    /**
     * 时间戳转日期
     * @param time 时间戳
     * @param format yyyy年MM月dd日 hh时mm分
     * @return
     */
    public static String stringtoDataAndTime(long time, String format){
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        String date = sdf.format(new Date(time));
        return date;
    }

    /**
     * 得到一个时间延后或前移几天的时间,nowdate为时间,delay为前移或后延的天数
     */
    public static String getNextDay(String nowdate, String delay) {
        try{
            SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
            String mdate = "";
            Date d = strToDate(nowdate);
            long myTime = (d.getTime() / 1000) + Integer.parseInt(delay) * 24 * 60 * 60;
            d.setTime(myTime * 1000);
            mdate = format.format(d);
            return mdate;
        }catch(Exception e){
            return "";
        }
    }

    /**
     * 判断是否润年
     *
     * @param ddate
     * @return
     */
    public static boolean isLeapYear(String ddate) {

        /**
         * 详细设计： 1.被400整除是闰年，否则： 2.不能被4整除则不是闰年 3.能被4整除同时不能被100整除则是闰年
         * 3.能被4整除同时能被100整除则不是闰年
         */
        Date d = strToDate(ddate);
        GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();
        gc.setTime(d);
        int year = gc.get(Calendar.YEAR);
        if ((year % 400) == 0)
            return true;
        else if ((year % 4) == 0) {
            if ((year % 100) == 0)
                return false;
            else
                return true;
        } else
            return false;
    }

    /**
     * 返回美国时间格式 26 Apr 2006
     *
     * @param str
     * @return
     */
    public static String getEDate(String str) {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        ParsePosition pos = new ParsePosition(0);
        Date strtodate = formatter.parse(str, pos);
        String j = strtodate.toString();
        String[] k = j.split(" ");
        return k[2] + k[1].toUpperCase() + k[5].substring(2, 4);
    }

    /**
     * 获取一个月的最后一天
     *
     * @param dat
     * @return
     */
    public static String getEndDateOfMonth(String dat) {// yyyy-MM-dd
        String str = dat.substring(0, 8);
        String month = dat.substring(5, 7);
        int mon = Integer.parseInt(month);
        if (mon == 1 || mon == 3 || mon == 5 || mon == 7 || mon == 8 || mon == 10 || mon == 12) {
            str += "31";
        } else if (mon == 4 || mon == 6 || mon == 9 || mon == 11) {
            str += "30";
        } else {
            if (isLeapYear(dat)) {
                str += "29";
            } else {
                str += "28";
            }
        }
        return str;
    }



    /**
     * 产生周序列,即得到当前时间所在的年度是第几周
     *
     * @return
     */
    public static String getSeqWeek() {
        Calendar c = Calendar.getInstance(Locale.CHINA);
        String week = Integer.toString(c.get(Calendar.WEEK_OF_YEAR));
        if (week.length() == 1)
            week = "0" + week;
        String year = Integer.toString(c.get(Calendar.YEAR));
        return year + week;
    }



    /**
     * 两个时间之间的天数
     *
     * @param date1
     * @param date2
     * @return
     */
    public static long getDays(String date1, String date2) {
        if (date1 == null || date1.equals(""))
            return 0;
        if (date2 == null || date2.equals(""))
            return 0;
        // 转换为标准时间
        SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
        Date date = null;
        Date mydate = null;
        try {
            date = myFormatter.parse(date1);
            mydate = myFormatter.parse(date2);
        } catch (Exception e) {
        }
        long day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);
        return day;
    }



    /**
     * 取得数据库主键 生成格式为yyyymmddhhmmss+k位随机数
     *
     * @param k
     *            表示是取几位随机数，可以自己定
     */

    public static String getNo(int k) {

        return getUserDate("yyyyMMddhhmmss") + getRandom(k);
    }

    /**
     * 返回一个随机数
     *
     * @param i
     * @return
     */
    public static String getRandom(int i) {
        Random jjj = new Random();
        // int suiJiShu = jjj.nextInt(9);
        if (i == 0)
            return "";
        String jj = "";
        for (int k = 0; k < i; k++) {
            jj = jj + jjj.nextInt(9);
        }
        return jj;
    }

    /**
     * 获得当前日期号
     * @return N日
     */
    public static String getDayOfMonth(){
        String mDay;
        Calendar c = Calendar.getInstance();
        c.setTimeZone(TimeZone.getTimeZone("GMT+8:00"));
        mDay = String.valueOf(c.get(Calendar.DAY_OF_MONTH));// 获取当前月份的日期号码
        return mDay;
    }
    public static String getWeek(){
        String mWay;
        Calendar c = Calendar.getInstance();
        c.setTimeZone(TimeZone.getTimeZone("GMT+8:00"));
        mWay = String.valueOf(c.get(Calendar.DAY_OF_WEEK));
        if("1".equals(mWay)){
            mWay ="日";
        }else if("2".equals(mWay)){
            mWay ="一";
        }else if("3".equals(mWay)){
            mWay ="二";
        }else if("4".equals(mWay)){
            mWay ="三";
        }else if("5".equals(mWay)){
            mWay ="四";
        }else if("6".equals(mWay)){
            mWay ="五";
        }else if("7".equals(mWay)){
            mWay ="六";
        }
        return ""+mWay;
    }

    /**
     * 获取当前月份
     * @return
     */
    public static int StringMonth(){
        final Calendar c = Calendar.getInstance();
        c.setTimeZone(TimeZone.getTimeZone("GMT+8:00"));
        return c.get(Calendar.MONTH);
    }

    /**
     * 获取当前年份
     * @return
     */
    public static int StringYear(){
        final Calendar c = Calendar.getInstance();
        c.setTimeZone(TimeZone.getTimeZone("GMT+8:00"));
        return c.get(Calendar.YEAR);
    }


    public static String StringData(){
        String mYear;
        String mMonth;
        final Calendar c = Calendar.getInstance();
        c.setTimeZone(TimeZone.getTimeZone("GMT+8:00"));
        mYear = String.valueOf(c.get(Calendar.YEAR)); // 获取当前年份
        mMonth = String.valueOf(c.get(Calendar.MONTH) + 1);// 获取当前月份


        return mYear + "/" + mMonth + "/";
    }
    /**
     * 以友好的方式显示时间
     * @param sdate
     * @param type  php = 1,umeng = 0;
     * @return
     */
    public static String friendly_time(String sdate, int type) {
        if (sdate == null || sdate.equals("")) {
            return "";
        }
        Long longTime = Long.valueOf(sdate);
        if (type==1){
            longTime*=1000;
        }
        Date time = new Date(longTime);
        if(time == null) {
            return "";
        }
        String ftime = "";
        Calendar cal = Calendar.getInstance();

        //判断是否是同一天
        String curDate = dateFormater2.get().format(cal.getTime());
        String paramDate = dateFormater2.get().format(time);
        if(curDate.equals(paramDate)){
            int hour = (int)((cal.getTimeInMillis() - time.getTime())/3600000);
            if(hour == 0)
                ftime = Math.max((cal.getTimeInMillis() - time.getTime()) / 60000,1)+"分钟前";
            else
                ftime = hour+"小时前";
            return ftime;
        }

        long lt = time.getTime()/86400000;
        long ct = cal.getTimeInMillis()/86400000;
        int days = (int)(ct - lt);
        if(days == 0){
            int hour = (int)((cal.getTimeInMillis() - time.getTime())/3600000);
            if(hour == 0)
                ftime = Math.max((cal.getTimeInMillis() - time.getTime()) / 60000,1)+"分钟前";
            else
                ftime = hour+"小时前";
        }
        else if(days == 1){
            ftime = "昨天";
        }
        else if(days == 2){
            ftime = "前天";
        }
        else if(days > 2 && days <= 10){
            ftime = days+"天前";
        }
        else if(days > 10){
            ftime = dateFormater2.get().format(time);
        }
        return ftime;
    }

    /**
     * 将字符串转位日期类型
     * @param sdate
     * @return
     */
    public static Date toDate(String sdate) {
        try {
            return dateFormater.get().parse(sdate);
        } catch (ParseException e) {
            return null;
        }
    }

    public static String getHsDate(String sdate, int type) {
        if (sdate == null || sdate.equals("")) {
            return "";
        }
        Long longTime = Long.valueOf(sdate);
        if (type==1){
            longTime*=1000;
        }
        Date time = new Date(longTime);
        if(time == null) {
            return "";
        }
        String ftime = "";
        ftime = dateFormater3.get().format(time);
        return ftime;
    }

    public static String getYdmDate(String sdate, int type) {
        if (sdate == null || sdate.equals("")) {
            return "";
        }
        Long longTime = Long.valueOf(sdate);
        if (type==1){
            longTime*=1000;
        }
        Date time = new Date(longTime);
        if(time == null) {
            return "";
        }
        String ftime = "";
        ftime = dateFormater2.get().format(time);
        return ftime;
    }

    public static String getYdmDate2(String sdate, int type) {
        if (sdate == null || sdate.equals("")) {
            return "";
        }
        Long longTime = Long.valueOf(sdate);
        if (type==1){
            longTime*=1000;
        }
        Date time = new Date(longTime);
        if(time == null) {
            return "";
        }
        String ftime = "";
        ftime = dateFormater4.get().format(time);
        return ftime;
    }

    public static String getYdmhmsDate(String sdate, int type) {
        if (sdate == null || sdate.equals("")) {
            return "";
        }
        Long longTime = Long.valueOf(sdate);
        if (type==1){
            longTime*=1000;
        }
        Date time = new Date(longTime);
        if(time == null) {
            return "";
        }
        String ftime = "";
        ftime = dateFormater.get().format(time);
        return ftime;
    }


    private final static ThreadLocal<SimpleDateFormat> dateFormater = new ThreadLocal<SimpleDateFormat>() {
        @Override
        protected SimpleDateFormat initialValue() {
            return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        }
    };

    private final static ThreadLocal<SimpleDateFormat> dateFormater2 = new ThreadLocal<SimpleDateFormat>() {
        @Override
        protected SimpleDateFormat initialValue() {
            return new SimpleDateFormat("yyyy-MM-dd");
        }
    };

    private final static ThreadLocal<SimpleDateFormat> dateFormater4 = new ThreadLocal<SimpleDateFormat>() {
        @Override
        protected SimpleDateFormat initialValue() {
            return new SimpleDateFormat("yyyy.MM.dd");
        }
    };

    private final static ThreadLocal<SimpleDateFormat> dateFormater3 = new ThreadLocal<SimpleDateFormat>() {
        @Override
        protected SimpleDateFormat initialValue() {
            return new SimpleDateFormat("HH:mm");
        }
    };
}
